5. Rashmi is watching her favourite TV show. Her grandmother asks her to look for her senga which has fallen on the ground. Rashmi bringshermagnet and searches the neede
(a) Which property of magnet do you think helped Rashmi find the needle?
(b) Which value is displayed by Rashmi ?

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

What causes the formation of ocean currents?

A14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.